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Heart|Lab Grown|IGI

1.58ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG526266743

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG526266743

Diamond specifications and retailer prices

From $459 AUD
$322 USD
As of November 1, 2026
Save $2,488 AUD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,947 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526266743 or 526266743. Listed at 9 retailers as of October 31, 2026, with prices from $459 to $2,947, a $2,488 spread on the same certified stone. Do Amore Diamonds lists it at $2,947. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle44°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526266743
Dimensions7.20 × 7.95 × 4.86 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.20 mm7.95 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526266743
Side View
Table 62.5%Crown 41.6°Girdle: MED-STKPavilion 44°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,947 AUD|Low: $255 AUD|High: $2,947 AUD|Avg: $1,011 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$255 AUD
Retailer 10$459 AUD
Retailer 11$511 AUD
Retailer 8$554 AUD
Retailer 12$562 AUD
Retailer 3$634 AUD
Retailer 6$673 AUD
Retailer 9$871 AUD
Retailer 5$881 AUD
Retailer 7$1,227 AUD
Retailer 2$1,683 AUD
Retailer 4$1,934 AUD
Do Amore Diamonds$2,947 AUD

16 data points across 13 retailers

9 retailers$459 AUD to $2,947 AUD

A
Cheapest Retailer
-
$459 AUD
$322 USD
B+
Retailer 2
-
$511 AUD
$359 USD
View
A
Retailer 3
-
$554 AUD
$389 USD
View
A
Retailer 4
-
$562 AUD
$395 USD
View
A
Retailer 5
-
$673 AUD
€450 EUR
View
B+
Retailer 6
-
$871 AUD
$612 USD
View
B
Retailer 7
-
$1,227 AUD
$862 USD
View
B
Retailer 8
-
$1,683 AUD
£931 GBP
View
Most Expensive
B
Do Amore Diamonds
27-300243FD5 · Oct 31
$2,947 AUD
$2,070 USD
View
8 more retailers have this diamond
Prices start from $459 AUDSave up to $2,488 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.58ct Heart
$459 AUD